Cheapest return flights from Washington to London in June from $510

AirHint found the following cheapest return flights from Washington (IAD) to London (LHR) in June 2026 (see full year).

Return flights

20 Jun - 28 Jun Scandinavian Airlines
03 Jun - 30 Jun Scandinavian Airlines
11 Jun - 16 Jun TAP
03 Jun - 05 Jun Air Canada
03 Jun - 04 Jun Air Canada
27 Jun - 08 Jul Scandinavian Airlines
14 Jun - 04 Jul Scandinavian Airlines
06 Jun - 20 Jun Scandinavian Airlines
15 Jun - 19 Jun Scandinavian Airlines
22 Jun - 18 Jul Scandinavian Airlines
21 Jun - 11 Jul Scandinavian Airlines
11 Jun - 04 Jul Scandinavian Airlines
12 Jun - 04 Jul Scandinavian Airlines
23 Jun - 30 Jun TAP
19 Jun - 04 Jul Scandinavian Airlines
03 Jun - 30 Jun American Airlines direct
03 Jun - 04 Jun American Airlines direct
14 Jun - 04 Jul British Airways direct
21 Jun - 11 Jul British Airways direct
22 Jun - 18 Jul British Airways direct

Also check the deals for one-way flights from Washington to London in June.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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